SURFup Light

Single preset · measured 6 times since 2026-09-11 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.

Mobile

Speed 72 · 28 points to gain

• −20.5 Largest Contentful Paint medium effort
• −4.7 First Contentful Paint medium effort
• −2.1 Total Blocking Time medium effort
• −0.5 Speed Index medium effort

• 610 ms Reduce unused CSS high effort
• 460 ms Reduce unused JavaScript high effort

SEO 85 · 15 points to gain

• −7.7 Links do not have descriptive text low effort
• −7.7 Links are not crawlable medium effort

Accessibility 74 · 26 points to gain

• −4.2 `[aria-*]` attributes do not match their roles medium effort
• −4.2 Elements with an ARIA `[role]` that require children to contain a specific `[role]` are missing some or all of those required children. medium effort
• −4.2 `[aria-*]` attributes do not have valid values medium effort
• −2.9 `[aria-hidden="true"]` elements contain focusable descendents medium effort
• −2.9 ARIA input fields do not have accessible names medium effort
• −2.9 Background and foreground colors do not have a sufficient contrast ratio. medium effort

Best practices 96 · 4 points to gain

• −3.8 Serves images with low resolution low effort

Desktop

Speed 86 · 14 points to gain

• −7.2 Total Blocking Time medium effort
• −5.2 Largest Contentful Paint medium effort
• −1.8 Speed Index medium effort

SEO 85 · 15 points to gain

• −7.7 Links do not have descriptive text low effort
• −7.7 Links are not crawlable medium effort

Accessibility 88 · 12 points to gain

• −3.4 `[aria-hidden="true"]` elements contain focusable descendents medium effort
• −3.4 Background and foreground colors do not have a sufficient contrast ratio. medium effort
• −3.4 Touch targets do not have sufficient size or spacing. medium effort
• −1.5 Heading elements are not in a sequentially-descending order medium effort